111101120212112 has 20 divisors (see below), whose sum is σ = 215897169443436. Its totient is φ = 55385721646080.

The previous prime is 111101120212031. The next prime is 111101120212129. The reversal of 111101120212112 is 211212021101111.

It can be written as a sum of positive squares in 2 ways, for example, as 25912945906576 + 85188174305536 = 5090476^2 + 9229744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10302398189 + ... + 10302408972.

Almost surely, 2^{111101120212112} is an apocalyptic number.

It is an amenable number.

111101120212112 is a deficient number, since it is larger than the sum of its proper divisors (104796049231324).

111101120212112 is a wasteful number, since it uses less digits than its factorization.

111101120212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20604807506 (or 20604807500 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111101120212112 its reverse (211212021101111), we get a palindrome (322313141313223).

The spelling of 111101120212112 in words is "one hundred eleven trillion, one hundred one billion, one hundred twenty million, two hundred twelve thousand, one hundred twelve".